Title:
【発明の名称】アンモニアを含む送給ガスのための硫黄回収方法
Document Type and Number:
Japanese Patent JPH085647
Kind Code:
B2
Abstract:
Ammonia-containing sour gas is combusted at high flame temperature with at least 90 percent purity oxygen in an externally cooled combustor, the ammonia-free product is cooled, then, in conjunction with additional acid gas which does not contain ammonia, is passed to a Claus furnace wherein less than one-third of the hydrogen sulfide is combusted with oxygen enriched air enabling boosting sulfur recovery in a Claus plant without detrimental effects on catalyst life, furnace refractories and pressure drops.
Inventors:
Andrew Gozo Sakei
Application Number:
JP2508891A
Publication Date:
January 24, 1996
Filing Date:
January 28, 1991
Export Citation:
Assignee:
Union Carbide Industrial Gases Technology Corporation
International Classes:
C01B17/04; (IPC1-7): C01B17/04
Domestic Patent References:
| JP3308811A | ||||
| JP6114106A |
Attorney, Agent or Firm:
Motohiro Kurauchi (1 outside)
Next Patent: SENSOR